SC - semi-precious stones and pearls

[KallipygosRed at aol.com]

In a message dated 6/15/00 7:31:29 AM US Mountain Standard Time, 
LHupman at kenyon.com writes:

> Burn the Tartar, and reduce it into a Salt, as I have shown before.  Then
>  lay it on a Marble in a moist place, and in a few days it will turn to Oil,
>  and run down into a dish, which you must set underneath to receive it.  
Thus
>  you may easily make it into Salt.  Beat the Tartar into powder, and mix an
>  equal quantity of Saltpeter with it.  When they are mixed in an Iron 
Mortar,
>  set them in the fire, until they are quite burned.  Grind the remaining
>  Foeces, and dissolve them in a Lye.  Strain it, and let the Lye evaporate
>  away.  The Salt will settle to the bottom.  Then boil some Eggs hard.  Take
>  out the yolks, and fill up their place with Salt, and in a little time it
>  will dissolve into Oil.
>  

Is this oil edible? Or does it matter, since we are going to wash it out 
anyway? Before I start this, want to use the best method. May try both just 
for comparison.

Lars